#include<bits/stdc++.h>
using namespace std;
int a[10];
long long ans;
string s;
int main()
{
	int n;
    for(int i=1;i<=13;i++)
    {
    	char ch;
    	cin>>ch;
    	if(i<13)s+=ch;
    	if(ch>='0'&&ch<='9')a[n++]=int(ch-'0');
	}
	for(int i=0;i<n-1;i++)
	{
		ans+=a[i]*(i+1);
	}
	if(ans%11==a[n-1])cout<<"Right";
	else cout<<s<<ans%11<<endl;
	return 0;
}